From 5c9ff5b7759a40ef0f799a8d317e1350c4690f01 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Fri, 7 Feb 2020 09:53:40 +0800
Subject: [PATCH] more

---
 src/vnode/cache/inc/cache.h      |  3 ++-
 src/vnode/common/data/inc/data.h | 18 +++++++++++++-----
 src/vnode/tsdb/inc/tsdbCache.h   | 14 ++++++++++++++
 3 files changed, 29 insertions(+), 6 deletions(-)
 create mode 100644 src/vnode/tsdb/inc/tsdbCache.h

diff --git a/src/vnode/cache/inc/cache.h b/src/vnode/cache/inc/cache.h
index 45b0e0c800..c90c47a621 100644
--- a/src/vnode/cache/inc/cache.h
+++ b/src/vnode/cache/inc/cache.h
@@ -5,8 +5,9 @@ typedef void cache_pool_t;
 
 typedef struct SCacheBlock
 {
-
     SCacheBlock *next;
+    SCacheBlock *prev;
+    char data[];
 } SCacheBlock;
 
 
diff --git a/src/vnode/common/data/inc/data.h b/src/vnode/common/data/inc/data.h
index de9502e709..5ccecd4718 100644
--- a/src/vnode/common/data/inc/data.h
+++ b/src/vnode/common/data/inc/data.h
@@ -3,16 +3,24 @@
 
 #include <stdint.h>
 
+/* The row data should in the form of
+ */
+
 // ---- Row data interface
 typedef struct {
-    int32_t numOfRows;
-    char * data;
+  int32_t numOfRows;
+  char *  data;
 } SRData;
 
 // ---- Column data interface
 typedef struct {
-    int32_t numOfPoints;
-    char *data;
+  int32_t numOfPoints;
+  char *  data;
 } SCData;
 
-#endif // _TD_DATA_H_
+typedef struct {
+  int32_t  numOfCols;
+  SCData **pData;
+} SCDataBlock;
+
+#endif  // _TD_DATA_H_
diff --git a/src/vnode/tsdb/inc/tsdbCache.h b/src/vnode/tsdb/inc/tsdbCache.h
new file mode 100644
index 0000000000..cafb545606
--- /dev/null
+++ b/src/vnode/tsdb/inc/tsdbCache.h
@@ -0,0 +1,14 @@
+#if !defined(_TD_TSDBCACHE_H_)
+#define _TD_TSDBCACHE_H_
+
+#include <stdint.h>
+
+#include "cache.h"
+
+typedef struct STSDBCache {
+    int64_t blockId;  // A block ID counter
+    SCacheBlock *blockList;
+} STSDBCache;
+
+
+#endif // _TD_TSDBCACHE_H_
-- 
GitLab